Equation of Line/Curve of Best Fit

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What is the standard form of a quadratic equation?
Back
The standard form of a quadratic equation is y = ax² + bx + c, where a, b, and c are constants.
2.
FLASHCARD QUESTION
Front
What does the coefficient 'a' represent in a quadratic equation?
Back
The coefficient 'a' determines the direction of the parabola (upward if a > 0, downward if a < 0) and affects the width of the parabola.
3.
FLASHCARD QUESTION
Front
What is the line of best fit?
Back
The line of best fit is a straight line that best represents the data on a scatter plot, minimizing the distance between the line and the data points.
4.
FLASHCARD QUESTION
Front
How do you find the slope of a line given two points (x1, y1) and (x2, y2)?
Back
The slope (m) is calculated using the formula m = (y2 - y1) / (x2 - x1).
5.
FLASHCARD QUESTION
Front
What is the y-intercept of a linear equation?
Back
The y-intercept is the point where the line crosses the y-axis, represented as (0, b) in the equation y = mx + b.
6.
FLASHCARD QUESTION
Front
What is the purpose of using a curve of best fit?
Back
A curve of best fit is used to model the relationship between variables when the data does not follow a linear pattern.
7.
FLASHCARD QUESTION
Front
What is the first step in using Desmos to find the curve of best fit?
Back
The first step is to enter the table/chart of values into Desmos.
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